Hawaii Five-O

Sep 20, 1968

Red Chinese agent Wo Fat uses a sensory deprivation chamber to procure information from U.S. agents. Steve McGarrett, head of Hawaii Five-O, investigates the death of a close friend who appears to have drowned. Steve's knowledge about his friend and a mysterious white substance lead him into a high-level intelligence matter involving a foreign agent. McGarrett, head of Hawaii's state police force, poses as "control," possessor of the names of other agents. He allows himself to be captured and placed in the chamber; will he be able to withstand the torture?

Sep 20, 1968

McGarrett is caught and cocooned, and must escape this torture and shut down Wo Fat's operation.

Sep 26, 1968

Victor Reese and his wife Nora are conning rich widows out of their savings, and then poisoning them and dumping them in the ocean. McGarrett and company hatch a plan to use a female officer to trap the duo.

Oct 3, 1968

Five-O probes into the death of an official who was instrumental in the development of the islands, and discovers a tangled web of lies and deception.

Oct 10, 1968

A young singer, Bobby George, plans his own kidnapping as a stunt, but when his father offers $500,000 for his release, his co-conspirators decide to double-cross him and take the money.

Oct 17, 1968

McGarrett and the gang must simultaneously protect a gangster from Japanese assassins and also try to convict him for his underworld activities.

Nov 7, 1968

Danny Williams is accused of shooting an apparently unarmed young boy. Meanwhile, in his investigation, McGarrett comes up against Big Chicken, a nasty dope dealer.

Nov 14, 1968

A woman buys fish from a monger, and is followed home and murdered. McGarrett and the team must discover who killed her and stop smugglers from completing their operation.

Nov 21, 1968

After a girl dies during a high speed chase, a trail of clues leads McGarrett to a Los Angeles prison, where he must act the part of convict Steve Crowley to gain the trust of his cellmate for a break-out, which will help reveal the plans of the crime.

Dec 5, 1968

When a singer, Joey Rand, finds that his career doesn't pay well enough, he turns to cat burglary. However he doesn't reckon on Hawaii Five-O.

Dec 12, 1968

A winning lottery ticket drags an army private into a the murky world of mob politics and vice.

Dec 19, 1968

When McGarrett is shot and badly wounded on a beachside jog, Danno and the team must work feverishly to find the culprit and prevent him from committing any more murders.

Dec 25, 1968

McGarrett must protect a protect a mob underboss so he is able to testify against his superior, Joe Matsukino. However, Matsukino has many tricks up his sleeve to silence his former colleague permanently…

Jan 1, 1969

When a young female student is found murdered on campus, suspicions fall on her boyfriend but McGarrett senses that something is not right.

Jan 8, 1969

Danno is taken hostage by a Vietnam veteran who is suffering delusional flashbacks and sees everyone as forces sent to kill him.

Jan 15, 1969

Young Eadie Hastings cannot be saved by Danno from jumping of a cliff, and Five-O think that she was high on speed. They track her source to a crank teacher, Professor David Stone, and Danno must pose as a surfer to investigate the drug pushers and users.

Jan 22, 1969

A man is found dead after having been robbed by a motorcyclist with a gun, and McGarrett is shocked to discover that the man was suffering from bubonic plague. The islands are quarantined, and the team must follow a series of clues to discover the cause of the outbreak.

Jan 29, 1969

Big Chicken returns in a tense prison hostage drama when McGarrett has to give himself over to the criminals as a bargaining chip and use psychology to take control of the situation.

Feb 5, 1969

When a girl is found murdered and numbered 'one', McGarrett suspects a serial killer. However the killer seems to be very selective in targeting members of a particular company, and suspicion soon falls on two brothers who stand to inherit the firm from their aged aunt.

Feb 12, 1969

When the boxing son of a policeman, Phil Kalama, is killed, he starts a personal vendetta, and McGarrett must both solve the crime and stop Kalama from committing another murder.

Feb 19, 1969

When the son of McGarrett's sister falls ill with cancer and she becomes involved in ‘naturology', her husband calls in Steve to investigate and persuade her to stop paying for the useless treatments. However, the quack doctor sets up a court case to prevent McGarrett from closing her practice.

Feb 26, 1969

McGarrett must use all legal means possible to win the court case against Dr. C.L. Fremont, stopping her fake treatments and saving his sister from more anguish and pain.

Mar 5, 1969

When a leader of a student peace movement is killed, McGarrett has to investigate the murder against a wall of silence and a distrust of the police by the activists.

Mar 12, 1969

Chin Ho and Dan Williams are tracking a safecracker but he pulls a gun and Danno ends up shooting him. McGarrett takes his identity of Harry Brown and must infiltrate a sophisticated gang of international thieves.

Mar 19, 1969

Sam Kalakua, a distant cousin of Kono, is being frightened into an early grave by an fake apparition of a Hawaiian god created by his nephew, who wants to sell the estate to a land merchant.

Sep 24, 1969

An army sergeant and a office worker have a scam in which they use bar girls to claim G.I. widow benefits, and then murder them to take the cash. McGarrett and company must use the girls to get to the core of the plot.

Oct 1, 1969

A Japanese World War II veteran, Yoshio Nagata, escapes from a mental hospital and tries to carry out his wartime orders to blow up a refinery.

Oct 8, 1969

A tsunami warning is called and a geneticist is evacuated from a conference. He is then kidnapped under the orders of Wo Fat, but he uses his diabetic medical condition as a ploy to stop Wo Fat from carrying out the plan to return him to China.

Oct 15, 1969

A middle-aged mainland hardware salesman uses a prostitute, and then witnesses her murder by a mobster. He refuses to testify because of the damage to his reputation and that he doesn't want to be involved. McGarrett must persuade him to do the right thing.

Oct 22, 1969

McGarrett must interrupt his Sunday to deal with both terrorists and politics when a revolutionary group steal guns from a barracks for their overseas cause.

Oct 29, 1969

A university professor, Dr. Paul Farrar, is using hypnosis to programme students into becoming assassins. McGarrett uses a policewoman as bait for Dr. Farrar, but the plan goes wrong and her life is put in danger.

Nov 5, 1969

McGarrett must counter a threat by international terrorist Erich Stoss to use a fungus to wipe out Hawaii's sugar cane, half of the world's supply.

Nov 12, 1969

Four university students hatch a plot to steal the robes of King Kamehameha, and McGarrett and the team must apply pressure to the gang's weak point to retrieve the robes and catch the thieves.

Nov 19, 1969

McGarrett gets a phone call from Singapore and goes to rescue Nicole Wylie, a witness who has changed her mind and wants to testify. However, the pair must face many dangers on their return trip back to Hawaii.

Nov 26, 1969

An assassination attempt on a prominent politician, Charles Irwin, leads Five-O to Mike Finney, a former racketeer who has been clean for nine years. However, Finney insists he is innocent, and the trail of clues leads right back to Irwin.

Dec 3, 1969

When a dictator's plane is diverted to Hawaii as part of a plan to kill him, McGarrett must deal with the complex politics of the situation and protect the hated leader.

Dec 10, 1969

When a young son of a businessman escapes from captivity by ‘The Devil' and ‘Mr. Frog', Five-O must recover the $300,000 ransom money that the desperate father paid.

Dec 17, 1969

Two young men play an increasingly dangerous and deadly game for the attentions of a beautiful but spoiled heiress, who plays them off against each other.

Dec 24, 1969

A career criminal, Connors, fools McGarrett and the team into protecting the wrong bank, and robs a nearby one, taking the wife of the manager hostage. Things turn ugly when one of his goons assaults and murders her. McGarrett must race to capture Connors before he can do any more damage.

Dec 31, 1969

McGarrett gets a surprise birthday party, but when he goes to pack the presents in his car, it explodes and blinds him. Danno, Chin Ho and Kono must work to catch those responsible, whilst McGarrett has to get used to not having his eyesight.

Jan 7, 1970

Don Miles, a health freak, uses a hanging-type exercise to promote his wellbeing, but his girlfriend Wanda tries it, and seemingly dies in the attempt. However, all is not what it seems…

Jan 14, 1970

Two military policeman spot John Mala, a man who McGarrett has helped in the past, but who has gone AWOL. One of the policemen is shot, and tensions rise as Five-O and the army police clash in their techniques of investigation and their treatment of the local population.

Jan 21, 1970

A psychiatric worker, George Loomis, is trying to drive a fellow Vietnam veteran Ted Frazer crazy in order to cover up the fact that he massacred his own platoon during an action. Loomis kidnaps boys and drugs Frazer to make it look like Frazer is mad and to blame for the tragedy. McGarrett and the team must unravel this web of lies and clear Frazer.

Jan 28, 1970

Peter Corman is murdered during a game of poker, and his brother Lorenzo arrives in Hawaii for revenge. McGarrett must work out what happened and prevent Lorenzo from carrying out his intentions.

Feb 4, 1970

Chin Ho is accused of bribery, and cannot provide alibis for the nights in question. Worse, he is called to the middle of nowhere for a set-up. Chin's position is threatened, and the Governor orders an inquiry. McGarrett and the others must work out how Chin was framed and clear him of the accusations.

Feb 11, 1970

Lew Morgan and his wife are friends of Danno, but she is murdered, and Morgan sets out to find the culprit. However, his wife seems to be hiding secrets that may have caused her death.

Feb 18, 1970

A research scientist, Dr. Royce, is set up by revolutionaries to be transported away from the islands in a submarine. McGarrett must stop this from happening and also has to contend with the interference of federal agents in the case.

Feb 25, 1970

Dr. Alexander Kline, a biological scientist, views his work as evil, and to prove it, he plans to unleash a deadly germ that would kill thousands. Three dead cows lead McGarrett on a desperate chase to track down the toxin, involving a friendly telephone operator and top Washington agents.

Mar 4, 1970

Dr. Kline's deadly toxin is lost, he is having second thoughts about his plan, and McGarrett has to find the vial before it disintegrates and poisons the whole island. Already the toxin is doing its deadly work as innocent people come into contact with it.

Mar 11, 1970

Camilla Carver, a con-artist, blackmails a politician to take her to an event where she can steal the priceless Queen of Polynesia emerald and swap it for a fake. However, McGarrett and the team are at the event and make sure that neither the gem, Carver or her accomplice vanish.

Sep 16, 1970

Five-O must act swiftly when the daughter of a top neurosurgeon is kidnapped by Wo Fat in order to make the surgeon operate on a wounded U.S. undercover agent who is carrying secret inforrmation of use to the Chinese.

Sep 23, 1970

Singer Eadie Jordan has not only a comeback concert to perform, but also a serious heroin addiction. Poisoned heroin is being peddled on the islands, and McGarrett must try to save Eadie from scoring for the last time.

Sep 30, 1970

Dr. Lemira, an opposition leader for Greece, is living in exile in Hawaii, but Klaus Marberg is sent to assassinate him. His plan is to get himself shot and work his way into Dr. Lemira's confidence so he can kill him easily. McGarrett must work out this plot and save the day before it is too late.

Oct 7, 1970

When a lawyer is murdered, his wife becomes the top suspect and McGarrett investigates. However, matters are complicated by the fact that the woman had a relationship with McGarrett, and he jeopardises his job because of this.

Oct 14, 1970

Shortly after giving a recital, the violin of a visiting Russian virtuoso is stolen, and McGarrett must retrieve it before the theft turns into an international incident.

Oct 21, 1970

Five-O's efforts to rescue a young boy from kidnappers go wrong when Kono is captured and beaten. An angry McGarrett must work out a way to rescue Kono without further endangering him.

Oct 28, 1970

When a ruthless businessman is blown up in a boat explosion, Five-O has many suspects to choose from, and they use psychological methods to determine the guilty party.

Nov 4, 1970

A Japanese computer research company executive is recognised by a veteran as his former captor in a Phillippine prison camp in World War II.

Nov 11, 1970

The hitman sent to kill the witness to a two year old murder instead falls in love with her and McGarrett and the team must lead the search to find her before duty overtakes love.

Nov 18, 1970

Five-O search for the criminals who have set up Hawaiian singer and ecologist Jimmy Nuanu as the fall guy for a sewage plant bombing.

Nov 25, 1970

McGarrett and company must pit their wits against a veteran thief and robber who leaves Monopoly money at the scene of his crimes.

Dec 2, 1970

Dan Williams's fiancee is murdered by a strangler who writes poetry in lipstick on his victims' legs. Danno resolves to catch the culprit who has other murderous plans to carry out.

Dec 9, 1970

McGarrett must apprehend two abductors who are on the run with the proceeds of their crime in order to protect the lives of their co-conspirators.

Dec 16, 1970

When a convicted murderer, Harry Kellem, hears a dying man say he committed the crime that Kellem was jailed for, he takes a doctor hostage and McGarrett must negotiate his way out of the situation.

Dec 30, 1970

A cowboy fears the loss of his land to a crooked estate agent and accidentally kills him by hitting him. McGarrett and his team must track the cowboy into the mountains and persuade him to give himself up.

Jan 6, 1971

An electronics genius is busted out of prison so he can mastermind a massive robbery of diamonds from the Honolulu Diamond Exchange.

Jan 13, 1971

Five-O investigates the death of Vietnam hero Jack Rigney, who fell from a balcony. His father is a World War II veteran, but his brother Michael is a peacenik, and Danno goes undercover as a draft dodger to help solve the mystery of Jack's death.

Jan 27, 1971

Wo Fat and other top international agents converge on Hawaii to place bids on printing plates for twenty dollar bills, which are in the possession of a former friend of McGarrett.

Feb 3, 1971

Five-O must deal with treason, murder and double-crosses in order to solve the case and prevent the U.S. from being flooded by fake currency.

Feb 10, 1971

The wife of an arms dealer is kidnapped by revolutionaries who want the guns diverted from their original destination, but the arms dealer himself is not as innocent as matters would indicate…

Feb 17, 1971

The wife of a convicted man fakes evidence in a new crime so that McGarrett will have to re-open her husband's case.

Feb 24, 1971

Danno's past comes back to haunt him when the brother of a young boy he shot is released and wants revenge. The brother takes Chin Ho, Jenny and others hostage in McGarrett's office and threatens to blow them up, and Danno must resolve the tense situation.

Mar 3, 1971

A baseball player, Lon Phillips, brings his backward son to Hawaii to escape threats on his life on the mainland.

Mar 10, 1971

The son of the baseball player becomes the vital witness in a murder, but he is reluctant to tell either his father or Five-O of the crime.

Sep 14, 1971

A ten year old case is reopened when an archaeological dig unearths the skeletons of two murder victims.

Sep 21, 1971

Gangster Johnny Oporta arranges for his enemies to be murdered and then covers up his crimes by incinerating their bodies. McGarrett and the others must stop this murderous spree.

Sep 28, 1971

Vic Tanaka is murdering women and painting their faces to resemble a prostitute he once knew, who is now happily married. McGarrett and his team must find the killer before he does any more damage.

Oct 5, 1971

Five-O is up against a sophisticated gang who have come to Hawaii to cash $750,000 of traveller's cheques.

Oct 12, 1971

A hippie robs an embezzler of the key to a locker containing $250,000. Meanwhile, Danno is trying to contact the daughter of his Berkeley University landlady, who happens to be the hippie's girlfriend…

Oct 19, 1971

Young Vietnam veteran and marksman Billy Shem Jr. buys a rifle under false pretences and proceeds to a bunker at Diamond Head. He then takes pot shots at the people on the road and then the police who arrive. McGarrett must neutralise the threat he poses by any means possible.

Oct 26, 1971

While investigating the death of a security agent at an airport, McGarrett comes into contact with a gang who hijack cargo.

Nov 2, 1971

Five seemingly good citizens with different motives band together to steal $6,000,000 while McGarrett is away on Maui at a trial.

Nov 9, 1971

McGarrett finds holes in a convict's story and a husband becomes a suspect in the murder of his wife.

Nov 16, 1971

A policeman who was kicked off the force blames McGarrett and Five-O and plans to kill the Governor.

Nov 23, 1971

McGarrett must deal with the conflicts between four gangs of differing ethnic background, and try to uncover illegal activities.

Nov 30, 1971

A mob boss seeks revenge on a former boxer who smashed the hand of a novice to prevent him from ending up ruining his life in the boxing ring.

Dec 21, 1971

McGarrett and the team must find out who is behind a series of ecological stunts, when it is feared that a company executive will be their next target.

Dec 28, 1971

A veteran criminal who has already had dealings with Five-O escapes, and plans to steal millions of dollars from drug smugglers.

Jan 4, 1972

A woman attempts suicide in order to get her boyfriend to come out into the open and expose himself to an assassination attempt.

Jan 11, 1972

McGarrett is framed in an elaborate set up by Wo Fat, and has to contend with a foreign double amongst other problems.

Jan 18, 1972

Several faces from the past reappear as McGarrett must stop Wo Fat from carrying out his plan, a ninety second attack on a missile tracking base.

Jan 25, 1972

When a young woman is beaten and raped and a soldier is arrested for the crime, McGarrett begins to have doubts about his guilt.

Feb 1, 1972

An eccentric billionaire is accused of murdering a business associate, but will not leave his boat to defend himself against the accusations, allowing his associates to declare him mentally incompetent.

Feb 8, 1972

Three real estate crooks die horrible and mysterious shellfish related deaths, and McGarrett and the others must establish the link between them, and who has reason to want them dead.

Feb 15, 1972

McGarrett sets up a cordon of police around a young woman to capture her boyfriend who has escaped from jail, but all is not as it seems…

Feb 22, 1972

A young widow becomes part of a blackmail plot involving the murder of a Chicago mobster.

Feb 29, 1972

Danno goes undercover onboard a Navy ship to try and uncover how sailors are smuggling heroin onto the islands.

Mar 7, 1972

A psychotic man named Ralston is killing the wives of members of his army unit, and Five-O, including Kono on his last case, must stop him before he commits any more crazed attacks.

Sep 12, 1972

A local thug, Piro Manoa, is trying to create the impression of corruption in the Five-O force, and Duke is implicated in a murder. McGarrett and the team, with new recruit Ben Kokua, must save Duke's position and work out the plot of the organisation behind the false accusations.

Sep 19, 1972

When two of a egotistical racing driver's support staff are murdered, suspicions of sabotage fall upon his attractive girlfriend.

Sep 26, 1972

A private investigator, Sam Tolliver, arrives from Texas to help an old friend who is being blackmailed and is at risk of being killed if he doesn't pay up, but he ends up wanting to become part of the blackmail operation.

Oct 3, 1972

Danno shoots an apparently armed teenager but finds that he was mistaken, and public opinion and the teen's brother turn against him. McGarrett must act to defuse the potentially explosive situation.

Oct 10, 1972

Wo Fat is suspected of being behind the theft of a mobile ICBM device, and McGarrett with other top officials must stop him selling it off to the highest bidder.

Oct 17, 1972

Army computer technician Jack Gulley kidnaps a scientist and then uses a planned heist by three accomplices on a military base to divert Five-O's attention from his sale of the scientist to the highest bidder.

Oct 24, 1972

A doctor tracking venereal disease is murdered, and Five-O must track the series of encounters to find out who is a carrier. Their investigation is made doubly important by the murder of a young woman who is close to a upcoming politician. He seems a likely suspect but McGarrett suspects a deeper plot.

Oct 31, 1972

Danno is found in the back of a truck, dazed and confused, and McGarrett and the others must help him piece together how he came to be in that situation.

Nov 14, 1972

McGarrett becomes involved with the Vashon mafioso family after the youngest member, Chris, is implicated in a daring raid on a hotel.

Nov 21, 1972

McGarrett must contend with Honore Vashon, who wants revenge for his son's death.

Nov 28, 1972

Dominick Vashon, the patriarch of the clan, makes his attempt to bring down McGarrett and Five-O.

Dec 5, 1972

When McGarrett arrests a group of vigilante nationalists, hidden bombs at the courthouse threaten to destabilise the islands.

Dec 19, 1972

A husband and wife team of scam merchants get caught between some of Hawaii's most powerful mobs.

Jan 2, 1973

Two drifters, Gar and Nina, steal children and sell them on to a mainland adoption agency in order to raise the cash to buy a boat and go cruising.

Jan 9, 1973

McGarrett agrees to let Toni, a tough female convict, get married and have a honeymoon in protective custody as long as she will testify against a local hood.

Jan 16, 1973

A crazed electronics wizard threatens the lives of a psychiatrist and his patients by using electronic devices and gadgets.

Jan 23, 1973

Five-O has a suspect for a murder, but they have one problem. How can the suspect have been in two places at the same time?

Jan 30, 1973

A senior partner in a stock exchange firm comes up with a foolproof plan to rob the Honolulu Stock Exchange.

Feb 6, 1973

McGarrett and company must break through a tissue of lies in order to protect a Russian defector from being killed.

Feb 13, 1973

Two simple criminals kidnap a young girl, and hide out in a bunker at Diamond Head. McGarrett must unravel the reason why they are there and get the girl safely away from them.

Feb 20, 1973

A travel agent who operates gambling trips is killed in order to send a warning to others that the syndicates will not tolerate competition.

Feb 27, 1973

Chin Ho must face the fact that his daughter, Alia, is in love with the son of a local criminal under investigation, and that she plans to get married to him.

Mar 6, 1973

A burglary at the home of a well known island family sets off a series of events that ends in murder.

Mar 13, 1973

A single person is holding out in a Five-O trial, and McGarrett and the team have to find out who is stalling and why they are doing it.

Sep 11, 1973

A amputee with no hands sets out to kill every police officer who contributed to his injury, and that includes Steve McGarrett.

Sep 18, 1973

Murders are being committed seemingly at random every six weeks, and McGarrett is at a loss to understand the motives for these crimes. However, a newspaper may hold the answer.

Sep 25, 1973

When a large amount of diseased rats are found on a boat with all the crew dead, Five-O must contend with an outbreak of bubonic plague.

Oct 2, 1973

A family of white-trash mass killers arrive on Hawaii after wreaking a trail of devastation on the mainland, and McGarrett must catch them before they can do more damage on the islands.

Oct 9, 1973

Buildings are being set on fire on Sundays, and a known firebug is the top suspect. However, McGarrett begins to think that others may be responsible.

Oct 16, 1973

A corrupt federal agent who is tracking a man under indictment for tax evasion kills him for the $600,000 he is carrying, and then loses the money.

Oct 23, 1973

The killing of an important pimp threatens an all out war between two competing vice empires.

Oct 30, 1973

A string of five murders of wealthy men leads McGarrett to a crooked inheritance scheme.

Nov 6, 1973

A glamorous woman sets up an opal smuggler so her accomplices can rob both the smuggler and a jewellery store at the same time.

Nov 13, 1973

A dictator must evade a female assassin sent to kill him, one that looks just like his own daughter.

Nov 20, 1973

McGarrett brings in a document expert to help him crack a case involving forged government securities, but he soon becomes suspicious of the expert as well.

Nov 27, 1973

A nuclear scientist becomes involved in an extortion plot when a gang threaten to explode a small nuclear weapon somewhere in Honolulu.

Dec 4, 1973

Harry Foxton, a gambler, is himself the subject of huge bets over what hour he will die. McGarrett must work out the gambler's complex relationships to get to the bottom of this case.

Dec 11, 1973

A thief known for using sleight-of-hand is hired to steal a valuable nickel, but the coin ends up on a journey across many miles and through many hands.

Dec 18, 1973

A mock military emergency leaves a bank open for a robbery, and Five-O must travel to the opposite side of Oahu to find out more in their investigation.

Jan 1, 1974

An exciting surf beach is the location for a filming session, where a man catches a killer on camera.

Jan 8, 1974

A pair of crooks team up with local criminals and use phony diamonds as bait to prey on wealthy male tourists. McGarrett and Five-O must shut off this sinister racket.

Jan 15, 1974

A young man witnesses a murder, and finds himself and his family are now the killer's targets.

Jan 22, 1974

The son of a Federal Narcotics officer becomes involved in a heroin refining operation.

Jan 29, 1974

When a man is found dead with gold dust on him, McGarrett and his team must investigate where the stolen gold came from and how it is being bought onto the market.

Feb 5, 1974

A series of rapes and murders occur, and the main suspect seems to be a police officer...

Feb 12, 1974

A right-wing crackpot, Cord McKenzie, metes out 'justice' to people who have been found innocent on technicalities or released early. He thinks he is helping the police, but McGarrett thinks otherwise.

Feb 19, 1974

While investigating a robbery and kidnapping, the trail of clues leads McGarrett and the team to an ocean liner with a deadly passenger.

Feb 26, 1974

An aging jewel thief steals from rooms at Waikiki hotels, and taunts Five-O by leaving a trail of clues behind.

Sep 10, 1974

Danno and a college professor are kidnapped by a revolutionary group of young radicals led by a hardened criminal.

Sep 17, 1974

A geophysics expert, Bernard Brown, is heavily in debt, so he comes up with a plan to cause an explosion in the Hawaii Volcanoes National Park, which will cause lava to pour all down the hillside and into the city of Hilo, unless the Governor comes up with half a million dollars as a ransom.

Sep 24, 1974

Eddie Josephs is a paranoid schizophrenic who is carrying out murders based on old Five-O cases. McGarrett must follow his clues and catch him before more people die.

Oct 1, 1974

A sophisticated thief is selling his goods to legitimate businessmen, and Five-O must find a way of trapping him.

Oct 8, 1974

Senator Harlan Henderson suffers from multiple personalities, and one side of him wants to kill himself. However, he ends up blowing up his secretary, and McGarrett uses handwriting and a diagnosis from a psychiatrist to try to crack the case.

Oct 15, 1974

A criminal, Hobart, is robbing liquor stores using a policeman's former gun, but the officer wants it back as he used it to kill a bankrobber five years before and the body has been uncovered.

Oct 22, 1974

When his son is beaten to death, a powerful cattle baron takes matters into his own hands, and McGarrett and Five-O must prevent the rule of law from breaking down.

Oct 29, 1974

A gangland execution investigation takes a turn for the peculiar when it is found that the victim had two identities.

Nov 12, 1974

Five-O must investigate why three infallible security systems are failing to prevent the theft of priceless artworks.

Nov 26, 1974

After an attempt is made on Steve McGarrett's life, he is drawn towards a female art dealer, but she too may not be good for his health…

Dec 3, 1974

Two conmen use a gang of Five-O lookalikes and doubles to extort money from Honolulu businessmen.

Dec 10, 1974

Wo Fat returns to Hawaii in order to have a Chinese diplomat whom he classes as a foolish peace-maker assassinated.

Dec 31, 1974

McGarrett and Five-O need to find out why a Japanese banker ritually killed himself and catch a true criminal into the bargain.

Jan 7, 1975

A Honolulu murder is mysteriously linked to a human fossil smuggled out of China in the Second World War.

Jan 14, 1975

An investigation into a murder is sent off track through the modification of computer information, and Five-O must use the latest technology to rescue the case.

Jan 21, 1975

Three women desperately in need of money take to armed robbery of tourist buses as a way to raise some quick cash.

Jan 28, 1975

When a young boy is arrested as a witness to a murder, McGarrett must contend with a fiery deputy public prosecutor.

Feb 4, 1975

A million dollar reward for the return of five figurines sparks off a trail of murder and theft that leads to Hawaii.

Feb 11, 1975

When a psychotic man kills his doctor, Five-O must use a unfinished painting to gather clues to his whereabouts.

Feb 18, 1975

An elaborate sea and air scheme for heroin smuggling goes unnoticed until one of the gang tries to sell out their plan for a fix of heroin.

Feb 25, 1975

McGarrett must prevent a mob war by tracking down an unknown hitman and his intended target.

Mar 11, 1975

When a deranged ex-Army officer shoots a policeman and takes a young girl hostage, McGarrett disagrees with a police captain over the best way to free her.

Mar 18, 1975

A Saturday Night Special passes from person to person and causes Five-O trouble and others misery.

Mar 25, 1975

Five-O works with a air traffic investigator in order to put a stop to illegal ticket sales which have already cost several lives.

Sep 12, 1975

When a letter bomb kills a Naval Officer whilst McGarrett is on Navy Duty, he is called upon to investigate and uncovers a plot involving an old nemesis...

Sep 12, 1975

McGarrett must try his utmost to foil Wo Fat's plans which include hostages and brainwashing.

Sep 19, 1975

McGarrett must again face mobster Charlie Bombay when a plane carrying them to Honolulu crashes in the forests.

Sep 26, 1975

A British agent, Harry Wells, arrives in Hawaii in pursuit of a turncoat, but not all is what it seems for Five-O...

Oct 3, 1975

Five-O must find a female courier who witnessed a murder before a hitman can...

Oct 10, 1975

A road accident starts the trail towards a plot to use SAM missiles to bring down a VIP jet plane.

Oct 17, 1975

McGarrett offers himself as a hostage exchange, but is then put on 'trial' by Honore Vashon.

Oct 24, 1975

McGarrett meets his match in Dr. Grant Ormsbee, a grumpy and aggravating scientist who is sheltering a suspected Chinese defector.

Oct 31, 1975

When a singer witnesses a murder committed by a racketeer, Five-O has to protect her until she can give evidence, but this is not an easy job...

Nov 7, 1975

Danno's Aunt Clara becomes acquainted with a man on the plane to Honolulu, but becomes concerned about him afterwards. Dan, Steve and the others ignore her at first, but then the man turns up dead...

Nov 14, 1975

A vice-principal enlists the help of his students and a submarine to smuggle drugs.

Nov 21, 1975

When Five-O fail to prevent a series of thefts at dockside warehouses, an influential owner creates trouble for McGarrett.

Nov 28, 1975

A writer who specialises in solving mysteries uncovers the body in a seven year old case, but it raises more questions than it answers...

Dec 4, 1975

Three boys commit a gang rape on a waitress, but one is the son of a Senator and the crime is covered up...

Dec 11, 1975

Whilst trying to stop the smuggling of small Oriental animal statues, McGarrett is caught illegally in possession of one of them as part of his personal collection.

Dec 18, 1975

A disturbed young man steals nerve gas to use against a visiting royal family as revenge for the death of his father.

Jan 1, 1976

When an elderly importer who was a World War II Japanese spy is killed, Five-O seeks his killer.

Jan 8, 1976

A clear cut murder case against an island mobster is derailed due to McGarrett.

Jan 15, 1976

A crooked contractor and a buildings inspector are under suspicion after the new Global Trade Center in Honolulu goes up in flames.

Jan 29, 1976

When an airline stewardess and a hang-gliding instructor are murdered, Five-O must find the killers.

Feb 5, 1976

Criminals threaten to use a special type of moth to wipe out the sugar cane on Hawaii and destroy the industry.

Feb 12, 1976

The son of a Japanese businessman is kidnapped and held in a capsule underwater until a $1.5 million dollar ransom is paid...

Feb 26, 1976

Ben Tanaka, a well-known ecologist, seems to be behind the kidnapping of a wealthy land developer's wife, but all is not as it seems and a conspiracy gradually reveals itself.

Mar 4, 1976

McGarrett sends an undercover agent into a rehabilitation home for juvenile offenders to find out who is behind the theft of gold from dental supply warehouses.

Sep 30, 1976

When Wo Fat steals toxins in an attempt to take out the leaders of Communist China, McGarrett must track him to Hong Kong.

Sep 30, 1976

In Hong Kong, Steve is caught by Wo Fat and mentally and physically tortured by being 'reconditioned'. He must beat these problems to save the day again.

Oct 7, 1976

McGarrett must solve a daring bank robbery committed during the King Kamehameha Day Parade under the cover of a historic re-enactment.

Oct 14, 1976

The murder of island prostitutes seems to be linked to an extortion racketeer who is determined to make a return...

Oct 21, 1976

Five bodies are found in the crater of Mauna Loa contaminated by radiation from illegal plutonium, and Five-O must find and confiscate this deadly toxin.

Oct 28, 1976

Two seemingly unconnected deaths lead McGarrett into a desperate race to prevent the assassination of a visiting Sheikh.

Nov 4, 1976

A masterful forger plans a massive robbery of Navy funds, and McGarrett is made to look rather inept...

Nov 11, 1976

When yacht racers are found dead on their craft, Five-O launches a desperate search for high-seas buccaneers.

Nov 18, 1976

A escaped convict may well have a strong case of innocence, when Five-O become involved in the paranormal...

Dec 2, 1976

A press photographer is pursued relentlessly after she takes a photo of a supposedly dead gangster who has returned to the islands to take control of the local syndicate.

Dec 16, 1976

When $10 million goes missing from a crimelord, the culprit seems to be dangerously close to home...

Dec 23, 1976

Police are being lured into traps and shot, and Five-O have difficulty nailing a suspect when their primary lead turns out to be a paraplegic.

Jan 6, 1977

The boyfriend of an overdose victim re-enacts famous film murders in a revenge on all the people he sees as responsible.

Jan 13, 1977

McGarrett is the top suspect in the murder of his girlfriend, and the evidence against him is seemingly overwhelming...

Jan 20, 1977

Five-O must work with a Japanese officer to find the source of handsguns that are flooding the black market in Tokyo.

Jan 27, 1977

The daughter of Attorney General John Manicote is kidnapped by a deranged rapist and murderer, and Steve must not only contend with the criminal but Manicote's emotional state as well...

Feb 3, 1977

A hit and run incident leads Five-O to a gambling syndicate and Officer Welles's brother.

Feb 17, 1977

A pensioner threatens to blow himself and his hostages up if he doesn't stop the demolition of his home.

Feb 24, 1977

A lady singer is kidnapped and it looks as if she and her captors have died at sea.

Mar 3, 1977

A gangster attempts to buy an interest in a football club so that he can launder money through it.

Mar 17, 1977

While searching for parts from a sunken Soviet submarine, McGarrett become suspicious about the particular parts that are being recovered.

Mar 24, 1977

A missing rodeo cowboy and the murder of a young couple pose a puzzling mystery for Five-O.

Mar 31, 1977

The daughter of a LA detective and friend of McGarrett is framed for murder and then joins a cult.

May 5, 1977

A gang of thieves steal army rifles by peculiar means - hang-gliding into the armoury!

Sep 15, 1977

An Irish terrorist uses disguise and deception in order to be able to smuggle explosives for the Troubles.

Sep 22, 1977

When a sea-freighter is hijacked, the wealthy millionaire owner calls in Five-O, but all is not how it seems...

Sep 29, 1977

McGarrett must solve both a mysterious kidnapping and the problem of having a nosy reporter analysing his every move.

Oct 13, 1977

McGarrett engages in a personal struggle to clear the record of an officer and close friend accused of criminal activity.

Oct 20, 1977

Five-O must find out whether the death of an archaeologist is linked to his supposed desecration of tomb of King Kamehameha.

Oct 27, 1977

The return of a disgraced alcoholic policeman causes extra problems in the pursuit of a pair of armoured truck robbers.

Nov 10, 1977

McGarrett must deal with an astronaut turned real-estate salesman in order to crack the case of a murdered reporter.

Nov 17, 1977

When a Russian tennis star wants to defect, McGarrett must work to prevent an international incident.

Dec 8, 1977

A secret submarine, the murder of a Navy officer and strange amnesia create a puzzling case for Steve McGarrett.

Dec 22, 1977

A gang of university students plan a hoax tidal wave in order to steal priceless jewelry.

Dec 29, 1977

When an Asian ex-leader dies in a seemingly accidental swimming incident, his wife is convinced that he was murdered by forces from their home country.

Jan 5, 1978

McGarrett becomes involved in a love triangle between a young local man, a rich girl and her father who hates the Hawaiian origins of the boy.

Jan 12, 1978

A young doctor is suspected of having been involved in the murder of his mentor.

Feb 2, 1978

In order to find out the identity of the murderer of a union leader, McGarrett goes undercover as a longshoreman.

Feb 9, 1978

An up-and-coming young politician is blackmailed in order to affect his leadership of an congressional investigation.

Feb 16, 1978

While pursuing a drug dealer, McGarrett also has to contend with a federal agent.

Mar 2, 1978

Danno must deal with a surfer, one of his friends, who is suspected of the murder of a girl.

Mar 9, 1978

A female undercover cop threatens the progress of an investigation when she starts a relationship with a man connected to the case.

Mar 16, 1978

A Japanese businessman comes under attack from a young man whose father suffered in an Japanese Prisoner of War camp.

Mar 23, 1978

McGarrett must deal with an apparent mass murderer when a will creates a fortune for the last family member left alive.

Mar 30, 1978

A cryogenics institute comes under suspicion when an investigative writer becomes involved.

Apr 13, 1978

Five-O must deal with the kidnapping of an Arab princess, and Steve must also deal with an Italian female journalist's constant interruptions.

Apr 27, 1978

Five-O become involved in a complex case of body-switching, mystery investments and suitcases full of money.

May 4, 1978

Five-O's world is shattered when mobsters catch Chin Ho undercover and order him to be killed.

Sep 28, 1978

After a government agent is murdered, McGarrett must identify the traitor in a scientific facility.

Oct 5, 1978

When an astrologer visits McGarrett to inform him of a murderer with a terrible temper, his antagonism lessens when her assumptions seem to be partly true.

Oct 12, 1978

An assassin who doesn't know he's an assassin? Sounds like a punch line from "The Naked Gun," but it's the story of this episode, where a diplomatic courier with a briefcase chained to his wrist is hypnotized and programmed to rig the case with a bomb. When Danno goes undercover to ferret out the assassination ring, he himself is brainwashed and programmed to kill McGarrett.

Oct 19, 1978

McGarrett is the lone hold-out in a trial where the guilt of the accused seems certain.

Oct 26, 1978

Steve is framed on the orders of a gambling syndicate, and becomes involved with a woman who is part of the case.

Nov 9, 1978

Five-O must deal with the plans of a Neo Nazi organisation to kill Bobby Tamara, the ""Hawaiian Kennedy"".

Nov 16, 1978

When a street robber claims that he stole King Tutankhamun's mask for fun, McGarrett suspects there is more to the case than simple robbery.

Nov 23, 1978

McGarrett assists a convict in his escape, so that he can go back to his gang and provide Five-O with inside information.

Nov 30, 1978

Danno is surprised when he bumps into a former flame and even more concerned when she seems to be involved in criminal activities.

Dec 14, 1978

The death of a prominent politician reveals a strange love triangle.

Dec 21, 1978

When a preacher is attacked by a man convinced that he is responsible for his wife's death, Five-O investigate more closely and discover some less than godly motives.

Dec 28, 1978

Two rival mobs attempt to take control of the disco scene in Honolulu.

Jan 4, 1979

The rival gangs are on the brink of all out war, and Five-O must struggle to stop them.

Jan 18, 1979

When a robbed bank vault shows no signs of break-in, an inside job seems the likely solution. McGarrett's trail of clues leads him back to the builder of the vault and his wife...

Jan 25, 1979

Millicent Shand returns and claims that her niece's husband has faked his own death in order to get his hands on $500,000.

Feb 8, 1979

A vacationing heiress seems unconcerned when McGarrett warns her that someone is after her ruby.

Feb 22, 1979

When a photographer takes a picture of a politician making a deal with an underworld figure, he tries blackmail. However, he is not prepared for the ruthless nature of the mobsters.

Mar 1, 1979

A private detective is rescuing girls from prostitution, and using the opportunity to kill the pimps as well.

Mar 15, 1979

When the son of one of Steve's friends dies of an overdose, he goes after a doctor that he suspects of over-prescribing drugs.

Mar 22, 1979

The hunt for a high-rise killer is made more difficult for Five-O when a journalist offers to share his profits in exchange for the killer's story.

Apr 5, 1979

When a woman dies due to heroin packets bursting inside her and the Governor is implicated, McGarrett and Danno head off to Singapore to discover a smuggling operation.

Apr 5, 1979

Five-O must close the heroin smuggling operation to exonerate the Governor and catch the figures behind the scheme.

Oct 4, 1979

McGarrett finds himself stymied when Hawaiian nationalists and local underworld mobsters clash over a union election.

Oct 4, 1979

Labouring under a ban on cooperation by native Hawaiians because of a Kahuna, McGarrett must try to prevent war on the streets...

Oct 11, 1979

When the husband of a policewoman is gunned down by opportunist robbers, she resolves to catch them any way she can.

Oct 18, 1979

A group of high society men set out to see that justice is done - the catch being that it is justice on their terms only...

Oct 25, 1979

Jessica Humboldt, an astrologer and friend of Agnes DuBois, comes to McGarrett with news that a forthcoming match will be disastrous for a boxer. McGarrett must overcome his suspicions and crack the case.

Nov 1, 1979

Tony Alika and Guido Marioni, killer of Kimo's family, together hatch a plot to frame and embarrass the Five-O team by making them look stupid or corrupt.

Nov 8, 1979

When a woman is stalked by a strange figure, she seems to be seeing things and her friends are worried as to her mental health. However, events prove her case and an accomplice is revealed...

Nov 29, 1979

When two surfer bums use a gun to rob a shop, it starts off a trail of death and misery involving children, politics and blackmail.

Dec 4, 1979

A group of terrorists capture a female officer and use her to further their aims, and McGarrett and the team must find a way to take them out without endangering the life of Officer Dean.

Dec 11, 1979

A young man on vacation has strange visions that lead him to the site of an old murder and help him discover a lost family.

Dec 18, 1979

When two healthy young people die mysteriously, local traditions prevent post mortems, and a strange conspiracy is gradually uncovered when Truck seems to fall under the power of a Kahuna...

Dec 25, 1979

When a rich socialite is kidnapped, her husband insists that Five-O stay out of the case. However, his reasons may not all be on the level as events take a series of twists and turns...

Jan 1, 1980

McGarrett and Kimo must stop a gang of trained assassins from disrupting a meeting of energy ministers.

Jan 8, 1980

A aging crook decides to use dollar bill printing plates he made to raise cash for a charity, but he fails to realise the trouble that this will cause.

Jan 15, 1980

McGarrett is suspicious of an aide who arrives in Hawaii to retrieve millions of dollars held in trust for a Southern Asian state and he must prevent a daring gold robbery.

Mar 1, 1980

A gang of clever students use radio-controlled planes to execute the theft of Queen Liliokalani's jewels.

Mar 8, 1980

The murder of a Nazi-hunter and discovery of a World War II medal set McGarrett and the team on the trail of a Nazi war criminal living in Honolulu...

Mar 22, 1980

A group of seemingly harmless birdwatchers are the target of a vendetta. Five-O must discover why they were a target and stop any further violence.

Mar 29, 1980

A politician trying for the Senate is weakened by the murder of the man who is blackmailing him.

Apr 5, 1980

The series concludes with the final showdown between McGarrett and Wo Fat. Three scientists have gone missing. They have one thing in common: they all attended a symposium that discussed a possible space-based, laser defense system. McGarrett impersonates a fourth scientist, Dr. Elton Raintree, who attended the same gathering and is soon abducted. Wo Fat is behind it all and wants the scientists to complete their work and produce such a device.